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AWK in Shell and Bash Scripts Called in Crontab In brief: You need to put the backslash before variable: awk ‘{print \$3}’ AWK is the programming language that regularly used by admins to parse data from files, stdin, stdout. A common issue to use it, especially print function in shell/bash scripts. But … Continue reading AWK in Shell and Bash Scripts Called in Crontab
You can easily prolong the life of your HDD putting small, high access files into RAM. FreeBSD:
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# mkdir /mnt/ramdisk # mount -t tmpfs -o size=1G,mode=777 tmpfs /mnt/ramdisk |
to mount tmpfs each time your system boots at scheduled reboots add to /etc/crontab:
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tmpfs /mnt/ramdisk tmpfs rw,size=1G,mode=777 0 0 |
Debian:
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# mkdir /mnt/ramdisk # chmod 777 /mnt/ramdisk # mount -t tmpfs -o size=1024M tmpfs /mnt/ramdisk |
To have it automatically created at start add to /etc/fstab next:
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tmpfs /mnt/ramdisk tmpfs defaults,size=1g 0 0 |